Fig. 16

Force-displacement curves obtained from impact tests: (a) A-550 °C; (b) A-620 °C; (c) A-710 °C; (d) B-550 °C; (e) B-620 °C; (f) B-710 °C; (g) C-550 °C; (h) C-620 °C; (i) C-710 °C.

Force-displacement curves obtained from impact tests: (a) A-550 °C; (b) A-620 °C; (c) A-710 °C; (d) B-550 °C; (e) B-620 °C; (f) B-710 °C; (g) C-550 °C; (h) C-620 °C; (i) C-710 °C.